// Station · 32m ago

KTTD

Portland Troutdale Airport

CAT MVFR

WIND VRB / 3 kt

VIS 10+ SM

CEILING OVC at 3,000 ft

T/Td 16.1°C / 12.2°C

ALTIM 30.00 inHg

ELEV 39 FT

45.5494°N / 122.4010°W

LOCATION · Portland, US

WIND

VRB3 kt

KTTD · 39 FT

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC

NOW · 13Z

+6H

+12H

+18H

WIND

VRB/3

VIS

10+ SM

CEILING

OVC030

LAYERS

FEW020 OVC030

T / Td

16 / 12

ALTIM

30.00"

// Interpretation

MVFR — ceiling 3,000 ft. Light winds at variable/3 kt, visibility better than 10 statute miles, a few at 2,000 ft, and overcast at 3,000 ft. Would drop to IFR below 1,000 ft ceiling or 3 SM visibility, or rise back to VFR above 3,000 ft and 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KTTD 111353Z AUTO VRB03KT 10SM FEW020 OVC030 16/12 A3000 RMK AO2 SLP160 T01610122

KTTD · day 11 at 13:53 UTC · wind variable at 3 kt · visibility 10+ SM · a few clouds at 2,000 ft · overcast at 3,000 ft · temp 16°C / dewpoint 12°C · altimeter 30.00" Hg · automated station w/ precipitation discriminator · sea-level pressure 1016.0 mb

// Runway analysis · computed from current METAR wind

Wind VRB @ 3 kt

ALL USABLE · WINDS CALM

WIND

VRB3 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

07 HDG 070° —CALM —— 5,399'

25 HDG 250° —CALM —— 5,399'

Pattern altitude: 1,039 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA +1°C

100FT

+61 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS ↗ +100 FT

24h AGO18h12h6hNOW

FIELD ELEV39 FT OAT+16°C ISA DELTA+1°C PRESSURE ALT-43 FT

// Performance equivalent Operating here right now feels like operating at KSPB (Scappoose Industrial Airpark, Scappoose, elev 58 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+1%

-1%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+1%

-0%

Light jetCJ4, Phenom 300, M2

+0%

-0%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.

// Cloud layers · 2 reported · highest to lowest

// Reported layers (highest → lowest)

OVC030

Overcast · base 3,000 ft AGL · 8 oktas

FEW020

Few · base 2,000 ft AGL · ~1–2 oktas

// Computed

CEILING3,000 ft AGL HIGHEST LAYER3,000 ft TOTAL COVERAGE~100% (overcast) FREEZING LEVEL8,170 ft VFR MARGIN+0 ft

// Sun & Moon · times in Z · bar = local day (UTC-8)

12:32ZSUNRISE

20:16ZSOLAR NOON

03:59ZSUNSET

04:36ZCIVIL END

CURRENT14:25Z DAYLIGHT REMAINING13h 33m VFR NIGHT BEGINS04:36Z (14h 10m) DAY LENGTH15h 26m

Waning Crescent

ILLUMINATION11% MOONRISE09:57Z MOONSET01:23Z FULL MOON IN18 days

// Nearest reporting stations · 5 shown · 60 NM radius

KPDX

MVFR → VFR 19Z

Portland International Airport · Portland

WIND: 190° / 6 kt
VIS: 10+ SM
CEILING: BKN022
DIST: 9 NM W
AGE: 32m ago

KVUO

MVFR

Pearson Field · Vancouver

WIND: 180° / 6 kt
VIS: 10+ SM
CEILING: OVC019
DIST: 12 NM W
AGE: 32m ago

KHIO

MVFR → VFR 20Z

Portland Hillsboro Airport · Portland

WIND: CALM
VIS: 10+ SM
CEILING: BKN022
DIST: 23 NM W
AGE: 32m ago

KSPB

MVFR

Scappoose Industrial Airpark · Scappoose

WIND: CALM
VIS: 10+ SM
CEILING: OVC018
DIST: 23 NM NW
AGE: 32m ago

KUAO

MVFR → VFR 19Z

Aurora State Airport · Aurora

WIND: 200° / 4 kt
VIS: 10+ SM
CEILING: BKN026
DIST: 24 NM SW
AGE: 32m ago

// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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